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Ultrastructure of the Abnormal Head of the Epididymal Spermatozoa in the Big White-Toothed Shrew, Crocidura lasiura  

Jeong, Soon-Jeong (Department of Oral Histology, College of Dentistry, Chosun University)
Yoo, Ji-Yun (Department of Microbiology, Division of Life Sciences/ Research Institute of Life Science, Gyeongsang National University)
Jeong, Moon-Jin (Department of Oral Histology, College of Dentistry, Chosun University)
Publication Information
Applied Microscopy / v.34, no.3, 2004 , pp. 179-184 More about this Journal
Abstract
Normal and abnormal morphology of the epididymal spermatozoa in the big white-toothed shrew, Crocidura lasiura were studied with the light and electron microscopy. Normal spematozoa were observed with a few abnormal spermatozoa. This indicates that abnormal morphology is no absolute indicator of infertility. However, the existence of the abnormal spermatozoa is related to infertility. Especially abnormal morphology of the sperm head is definitely associated with infertility. The following types of abnormal head morphology of the epididymal spermatozoa in the wild healthy adults of the C. lasiura were described: 1) Nucleus with lack of condensation of the nucleoplasm 2) Destructed acrosome 3) Folded acrosome and plasma membrane 4) Separation of the acrosome from the nucleus 5) Acrosome with irregular condensation 6) Wrongly located granules of the apical body.
Keywords
Crocidura lasiura; Crocidurinae; Infertility; Sperm abnormality;
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